SI8640BD-B-IS vs SI8751AB-IS Comparison
Detailed side-by-side comparison of SI8640BD-B-IS by Skyworks Solutions and SI8751AB-IS by Skyworks Solutions. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Skyworks Solutions
SI8640BD-B-IS - 4-Ch 5kV Digital Isolator, 150Mbps | Skyworks
SI8640BD-B-IS ✓ ActiveSkyworks Solutions
SI8751AB-IS - 2.5kV Isolated FET Driver, CMOS Input | Skyworks
SI8751AB-IS ✓ ActiveSpecification Comparison
| Parameter | SI8640BD-B-IS | SI8751AB-IS |
|---|---|---|
| Brand | Skyworks Solutions | Skyworks Solutions |
| Category | Interface ICs | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.89 | $2.84 |
| Isolation Voltage (rms) | 5000 Vrms | — |
| Number of Channels | 4 (4 forward / 0 reverse) | — |
| Channel Direction | Unidirectional, all same direction | — |
| Maximum Data Rate | 150 Mbps | — |
| Propagation Delay (typ) | 8 ns | — |
| Common-Mode Transient Immunity (min) | 35 kV/us | — |
| Supply Voltage Range | 2.5 V to 5.5 V | — |
| Logic Compatibility | 1.8 V to 5 V with level translation | — |
| Default Channel Output | Low | — |
| Package Type | Wide-body SOIC (WSOIC-16) | — |
| Package Width | 0.295 in / 7.50 mm | — |
| Creepage Distance | 8 mm | — |
| Operating Temperature Range | -40 C to +125 C | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| Insulation Barrier Life | 60 years minimum | — |
| Isolation Voltage | — | 2500 Vrms |
| Isolation Type | — | Capacitive Coupling |
| Channels | — | 1 |
| Input Type | — | CMOS digital (pin control) |
| Input Supply Voltage | — | 2.25 V to 5.5 V |
| Output Drive Voltage | — | 10 V nominal |
| Input Current (turn-on) | — | 1 mA to 10 mA (programmable) |
| Turn-on Time (10 mA input) | — | 94 us |
| dV/dt Clamp | — | Internal (prevents unintended FET turn-on) |
| Package | — | 8-SOIC (narrow body) |
| Operating Temperature | — | -40C to +125C |
| Automotive Qualification | — | AEC-Q100 (per Arrow listing) |
| Datasheet Revision | — | 27 pages, 783 KB per alldatasheet |